WaitServiceState

// ADVAPI32.dll
#include <windows.h>

DWORD WaitServiceState(
    SC_HANDLE hService,
    DWORD dwNotify,
    DWORD dwTimeout,   // optional
    HANDLE hCancelEvent   // optional
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function WaitServiceState(
    hService As IntPtr,   ' SC_HANDLE
    dwNotify As UInteger,   ' DWORD
    dwTimeout As UInteger,   ' DWORD optional
    hCancelEvent As IntPtr   ' HANDLE optional
) As UInteger
End Function

' hService : SC_HANDLE
' dwNotify : DWORD
' dwTimeout : DWORD optional
' hCancelEvent : HANDLE optional
Declare PtrSafe Function WaitServiceState Lib "advapi32" ( _
    ByVal hService As LongPtr, _
    ByVal dwNotify As Long, _
    ByVal dwTimeout As Long, _
    ByVal hCancelEvent As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WaitServiceState = ctypes.windll.advapi32.WaitServiceState
WaitServiceState.restype = wintypes.DWORD
WaitServiceState.argtypes = [
    wintypes.HANDLE,  # hService : SC_HANDLE
    wintypes.DWORD,  # dwNotify : DWORD
    wintypes.DWORD,  # dwTimeout : DWORD optional
    wintypes.HANDLE,  # hCancelEvent : HANDLE optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
WaitServiceState = Fiddle::Function.new(
  lib['WaitServiceState'],
  [
    Fiddle::TYPE_VOIDP,  # hService : SC_HANDLE
    -Fiddle::TYPE_INT,  # dwNotify : DWORD
    -Fiddle::TYPE_INT,  # dwTimeout : DWORD optional
    Fiddle::TYPE_VOIDP,  # hCancelEvent : HANDLE optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn WaitServiceState(
        hService: *mut core::ffi::c_void,  // SC_HANDLE
        dwNotify: u32,  // DWORD
        dwTimeout: u32,  // DWORD optional
        hCancelEvent: *mut core::ffi::c_void  // HANDLE optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint WaitServiceState(IntPtr hService, uint dwNotify, uint dwTimeout, IntPtr hCancelEvent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_WaitServiceState' -Namespace Win32 -PassThru
# $api::WaitServiceState(hService, dwNotify, dwTimeout, hCancelEvent)

#uselib "ADVAPI32.dll"
#func global WaitServiceState "WaitServiceState" sptr, sptr, sptr, sptr
; WaitServiceState hService, dwNotify, dwTimeout, hCancelEvent   ; 戻り値は stat
; hService : SC_HANDLE -> "sptr"
; dwNotify : DWORD -> "sptr"
; dwTimeout : DWORD optional -> "sptr"
; hCancelEvent : HANDLE optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "ADVAPI32.dll"
#cfunc global WaitServiceState "WaitServiceState" sptr, int, int, sptr
; res = WaitServiceState(hService, dwNotify, dwTimeout, hCancelEvent)
; hService : SC_HANDLE -> "sptr"
; dwNotify : DWORD -> "int"
; dwTimeout : DWORD optional -> "int"
; hCancelEvent : HANDLE optional -> "sptr"

; DWORD WaitServiceState(SC_HANDLE hService, DWORD dwNotify, DWORD dwTimeout, HANDLE hCancelEvent)
#uselib "ADVAPI32.dll"
#cfunc global WaitServiceState "WaitServiceState" intptr, int, int, intptr
; res = WaitServiceState(hService, dwNotify, dwTimeout, hCancelEvent)
; hService : SC_HANDLE -> "intptr"
; dwNotify : DWORD -> "int"
; dwTimeout : DWORD optional -> "int"
; hCancelEvent : HANDLE optional -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procWaitServiceState = advapi32.NewProc("WaitServiceState")
)

// hService (SC_HANDLE), dwNotify (DWORD), dwTimeout (DWORD optional), hCancelEvent (HANDLE optional)
r1, _, err := procWaitServiceState.Call(
	uintptr(hService),
	uintptr(dwNotify),
	uintptr(dwTimeout),
	uintptr(hCancelEvent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WaitServiceState(
  hService: THandle;   // SC_HANDLE
  dwNotify: DWORD;   // DWORD
  dwTimeout: DWORD;   // DWORD optional
  hCancelEvent: THandle   // HANDLE optional
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'WaitServiceState';

result := DllCall("ADVAPI32\WaitServiceState"
    , "Ptr", hService   ; SC_HANDLE
    , "UInt", dwNotify   ; DWORD
    , "UInt", dwTimeout   ; DWORD optional
    , "Ptr", hCancelEvent   ; HANDLE optional
    , "UInt")   ; return: DWORD

●WaitServiceState(hService, dwNotify, dwTimeout, hCancelEvent) = DLL("ADVAPI32.dll", "dword WaitServiceState(void*, dword, dword, void*)")
# 呼び出し: WaitServiceState(hService, dwNotify, dwTimeout, hCancelEvent)
# hService : SC_HANDLE -> "void*"
# dwNotify : DWORD -> "dword"
# dwTimeout : DWORD optional -> "dword"
# hCancelEvent : HANDLE optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。